David E. Birt — 5 Patents at Emi

David E. Birt has been granted 5 US patents while listed as an inventor at Emi. The first was granted in 1980 and the most recent in December 2002. David E. Birt ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David E. Birt in London, TX, GB.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
6497078	Adhesive composition for chemically inert substrate	Shah A. Haque, Richard Chmiel, Richard L. Iazzetti, Thomas G. Priest	2002-12-24
4364816	Record matrix preparation	—	1982-12-21
4288481	Foil video discs	Peter J. Clarke	1981-09-08
4277071	Disc records having surface markings	Lyn Holt	1981-07-07
4231730	Moulding video discs	—	1980-11-04

David E. Birt — 5 Patents

Issued Patents All Time

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